When a contestant on a hit competition show is found murdered in her dressing room, Castle and Beckett must navigate the case's many twists and twirls without stepping on each other's toes.
After the CSI team investigate the murder of a Santeria practitioner, bizarre incidents involving voodoo objects start to occur in the lab.
Alex is shot just as Walker is about to propose; Walker dreams that he is investigating a case with bounty hunter Josh Randall.